Some shocking events in "To Kill a Mockingbird" in chapters 16 through 22 include:

Chapter 16: The court begins to decide on jurors. The people come from all over to attend Tom Robinson's trial. The event is parallel to a circus or fun event. People even picnic on the courthouse grass.

Chapter 17: Mr. Glimer is the prosecutor. Atticus makes a point about Miss Ewell left side of her face being bruised. He balances his statement by explaining that Tom's injured hand would not have allowed him to hit her that hard on the left side of her face. Atticus tries to show the jury that it could have been Mr. Ewell who had beat his daughter.

Chapter 18: Mayella is called to the stand. She does not like Atticus. She continues to accuse Tom Robinson. Atticus breaks apart her story.

Chapter 19: Tom Robinson testifies. He tells how Mayella had jumped on him hugging him. He hears Mr. Ewell hollering at Mayella and calling her names. Tom says he ran. Dill starts crying and has to leave the courtroom. He gets sick. He hates the way they are talking down to Tom.

Chapter 20: Closing statements are made. The plea made by Atticus is that they restore Tom to his family. Calpurnia walks towards Atticus.

Chapter 21: Atticus learns from Calpurnia that the children were missing. A man shows them to him up in the balcony. They are sitting in the section for black people. Jem believes that Atticus has won. Tom is found guilty. The black people stand as Atticus leaves the courtroom in respect to Atticus.

Chapter 22: Black people bring food to Atticus and gifts to thank him. Jem cries. Atticus eyes also fill with tears at home. Bob Ewell stops Atticus on the street and spits in his face.